[R] Odp: Choose variables according to index

Petr PIKAL petr.pikal at precheza.cz
Wed Jan 6 11:30:52 CET 2010


Hi

r-help-bounces at r-project.org napsal dne 06.01.2010 11:19:01:

> Hi
> 
> There must have someone already posted this question but I still have 
not
> figured how I could do this:
> Say I have var.1 var.2 var.3 which are large matrices. I would like to 
do
> the following loop:

Put your var.n to list

lll<- list(var.1, var.2, var.3)

and use list indexing

> 
> for(i in 1:3){
>   # Pick var.i and do something with it

temp.mat <- lll[[i]]

do stuff with temp.mat

> }
> 
> How can I tell R to do this?
> 
> Thanks for any comments.
> Hadassa
> 
>    [[alternative HTML version deleted]]
> 
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